<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="static/js/vue.global.js"></script>
  <link rel="stylesheet" href="static/css/index.css">
  <script src="static/js/index.full.js"></script>
</head>
<body>
<div id="app">
  <el-button>{{ message }}</el-button>
</div>
</body>
<script>
Object.assign(window, Vue)
const composition = {
  setup () {
    const data = reactive({
      message: 'Hi',
    })



    const dataRef = toRefs(data);
    return {
      ...dataRef
    }
  }
}
const app = createApp(composition)
  .use(ElementPlus)
  .mount('#app')
</script>
</html>